Our Team

Since its formation in 1991, ADA has continued to grow and employs a diverse group of technical staff of varied backgrounds and dynamic skill sets.


Stephen Berrill OAA

Owner &

Principal Architect

Steve became a managing partner at ADA in 2006, and since then has been an integral player in the greater majority of the firm's work. His expertise ranges from schematic design to construction detailing and building code application. Steve also has extensive experience in the design and construction of multi-residential projects.

Jerry Kavanaugh

Owner & Senior Directing Partner

Jerry is ADA's founding member with 30 years' experience in architectural/interior design, construction detailing and project management. As Owner and Senior Directing Partner of the firm, Jerry has participated in every aspect of work conducted by ADA since the firm's inception and remains the driving force behind the team's collaborative efforts.

Tony Chau

Senior Project Manager

With over 24 years of experience at ADA and a passion for adaptive re-use projects, Tony has become the key project manager heading the firm's retrofit projects for nationally retailing clients. He has thus developed extensive working experience with many municipalities across Ontario and a wide range of design standards.

Shaun Parent

Senior Project Manager

With over 15 years of experience at ADA, Shaun possesses extensive knowledge of construction practices and detailing in both commercial and residential applications. His expertise also lies in drawing standards development for the office.


Jason Thibert

Senior Project Manager

Since joining the ADA team in 2009, Jason has contributed his extensive construction management experience gained through his previous work experiences in Vancouver and Houston to a variety of the firm's work. His passions lie in construction detailing and management for large-scale and high-rise commercial projects.

Erin Storey NCIDQ

Registered Interior Designer

Erin has been with ADA since 2012, and in that time has gained her NCIDQ certification and designed the interior spaces for a wide range of ADA's commercial and residential projects. Her passions lie in creating interior spaces for local businesses, offices and restaurants.

Kimberly Watkins

Senior Project Manager

Kim joined the ADA team in 2016 with a Bachelor of Interior Architecture from Lawrence Technological University. She has managed a wide range of commercial projects ranging from condominiums to historic adaptive re-use spaces. She also instructs at St. Clair College in the Dual Credit Program for Interior Design in her spare time.

Ryan Duby

Senior Project Manager

Ryan holds a Bachelor of Science in Architecture from Lawrence Technological University. With past professional experience from both American and Canadian firms, his talents lie in architectural design, 3D visualization and project management at ADA.


Poleen Hazim


Poleen joined the ADA team in 2017 with an Advanced Diploma in Architectural Technology from St. Clair College. In that time, she has gained a good deal of experience working closely with ADA's principals on a variety of single-family and multi-residential projects.

Alexandra Scott


Alex holds an Advanced Diploma in Architectural Technology from St. Clair College and has been with ADA since February of 2018. She regularly works with the ADA's principals and project managers on a wide range of the company's commercial projects.

Tyler Fuchs


In 2019, Tyler joined the ADA team as a co-operative education student from St. Clair College’s Architectural Technology program and has since become a full-time employee after his graduation in 2020. His work primarily involves high-density residential  and commercial projects.